<!DOCTYPE html>
<html lang="en">
<head>
  <!-- Required meta tags -->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

  <!-- Bootstrap CSS -->
  <link rel="stylesheet" href="./css/bootstrap.css">
  <style>
    .card-deck{
      /*background: #000000;*/
      /*margin-bottom: 2rem;*/
    }
   /* .row div{
      background: #399;
      border:1px solid #000000;
    }*/
  /*.carousel{
    background: #399;
    !*height:10%;*!
    max-height:20rem;
  }
    .carousel .carousel-inner .carousel-item{
      max-height:20rem;
    }*/
  </style>
</head>
<body>
<!--翻页 -->
<nav aria-label="Page navigation example">
  <ul class="pagination">
    <li class="page-item disabled"><a class="page-link" href="#">上一页</a></li>
    <li class="page-item"><a class="page-link" href="#">1</a></li>
    <li class="page-item"><a class="page-link" href="#">2</a></li>
    <li class="page-item"><a class="page-link" href="#">3</a></li>
    <li class="page-item"><a class="page-link" href="#">下一页</a></li>
  </ul>
</nav>
<hr/>
<nav aria-label="Page navigation example">
  <ul class="pagination pagination-lg">
    <li class="page-item disabled"><a class="page-link" href="#">上一页</a></li>
    <li class="page-item"><a class="page-link" href="#">1</a></li>
    <li class="page-item"><a class="page-link" href="#">2</a></li>
    <li class="page-item"><a class="page-link" href="#">3</a></li>
    <li class="page-item"><a class="page-link" href="#">下一页</a></li>
  </ul>
</nav>
<hr/>
<nav aria-label="Page navigation example">
  <ul class="pagination pagination-sm">
    <li class="page-item disabled"><a class="page-link" href="#">上一页</a></li>
    <li class="page-item"><a class="page-link" href="#">1</a></li>
    <li class="page-item"><a class="page-link" href="#">2</a></li>
    <li class="page-item"><a class="page-link" href="#">3</a></li>
    <li class="page-item"><a class="page-link" href="#">下一页</a></li>
  </ul>
</nav>
<hr/>
<nav aria-label="Page navigation example">
  <ul class="pagination justify-content-center">
  <!--<ul class="pagination justify-content-end">-->
    <li class="page-item disabled"><a class="page-link" href="#">上一页</a></li>
    <li class="page-item"><a class="page-link" href="#">1</a></li>
    <li class="page-item"><a class="page-link" href="#">2</a></li>
    <li class="page-item"><a class="page-link" href="#">3</a></li>
    <li class="page-item"><a class="page-link" href="#">下一页</a></li>
  </ul>
</nav>

<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.slim.min.js"></script>
<script src="https://cdn.bootcss.com/popper.js/1.11.0/umd/popper.min.js"></script>
<script src="./js/bootstrap.js"></script>

</body>
</html>